In Unit 1: The Nature of Life, we will disscuss how to think about science, how to use science and how science is governed by core principles. In this unit we will discuss two key Big Ideas. They are Science as a Way of Knowing as well as Matter and Energy. These Big Ideas are essential to the study of science and biology. For a better explanation of these Big Ideas and all of the others that play a role in this course check out this link to the Pennsylvania Depart ment of Educations SAS portal.Choose Biology in the course drop down box at the bottom of the page and you will be introduced to all of the Big Ideas for Biology.